wilson



r. c. WILSON, or Warn-INS, NEW YORK.

Leners Patent N 102,743, dummy v3, 1870. I

rMIRovEMENT. IN PUMPS.

The Schedule referred to in these Letters Patent and making part of thesame To all whom it may concern:

Be it known that I, F. C. WiLsoN, of Watkins, in the county of Schuyler and State of New York, have invented certain new and useful Improvment-s in Canal- Boa-t Pumps; and I do' hereby declare that the following is a full, clear, and exact description thereof',-

rei'erence being had to the accompanying drawings making part ot' this specification, in which- Figure lfis a vertical central section of my invention, showing the piston-rod and spring in elevation.

Figure 2 is an elevation of a mode of connecting the hooks a to the spring.

The object and nature of Iny invention will be understood by reference ,to the drawings and specification; and

y To enable others to make and use the saine, I will describe its construction andv operation."r

1tis found in working boat-pumps that the la'bor is greatly lessened by arranging a spring-pole lso as to assist in raising the pistou after itr has been pushed down by the operator. The use of the spring-pole, however, is limited, and occasions a considerable loss of time in fitting it up for operation.

In my improvement I use a spiral or other suitable spring, C,\vithiu the pump-barrel, and secured to the piston-rod near its lower end by a pin, x, passing be tween the coils and through the rod.

At the upper end the spring C is provided with two or more hooks, a', clasped around the upper coil and hooked over tlie upper edge of the pump-barrel, as shown in fig. 1, for the purpose of supporting and retaining the sprint.

The hooks. may be attached to a ring, a', andthe -ring secured to the coil by several smaller wires,'as shown in iig.` 2.

The operation is as follows:

When the piston ispnshed down, the spring is dis.

tended, as shown by full lines, fig. l. Upon the return stroke, the force of the distended spring lifts the piston and the weight of the water'above it, partially or wholly relieving the operator.- When necessary,v

the hooks (l, canv be detached from the pump-barrelV and. turned down at the sident' the spring, leaving the plunger free to operate in the usual manner, or to drop down into the pump-barrel out of the way.

The advantages ofrny invention are that 4it occupies no additional space; that it can be quickly adjusted and put in operation; and that it is cheaply applied to any ordinary boat-pump now in. use. It is particularly adapted' to boats having handpunips, and to any place where it is inconvenient to nsepa spring-pole. The lower end of the spring may be coiled quite close, so

las to tit the, rod, as seen in tig. 1, thereby lessening its liability to become det-ached..

\Vhatl claim as my invention, and desire to secure by Letters Patent, is'.

The combination of the detachable suspending-hooks a, spiral spring C, and piston-rod B, Q/f a pump, ar-l ranged substantially as vand for the purposes set forth.

F. C. WILSON.

Witnesses F; H. CLEMENT, WM. (S. LoUGHBonoUGH. 

